USB_GET_DATA_ISREAD
isread = USB_GET_DATA_ISREAD(xfer);
isread = USB_GET_DATA_ISREAD(xfer);
if (USB_GET_DATA_ISREAD(xfer)) {
if (USB_GET_DATA_ISREAD(xfer)) {
} else if (USB_GET_DATA_ISREAD(xfer)) {
isread = USB_GET_DATA_ISREAD(xfer);
xfer, xfer->endpoint, xfer->nframes, USB_GET_DATA_ISREAD(xfer) ?
if (USB_GET_DATA_ISREAD(xfer)) {